Electric refrigerator



FIG. 1 is a perspective view of an electric refrigerator showing my new design with the door in closed condition;

FIG. 2 is a perspective view thereof with the door in open condition;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a top plan view thereof; and

FIG. 8 is a bottom plan view thereof. 

The ornamental design for an electric refrigerator, as shown and described. 